13 CrMo44 khoom yog dab tsi?
13CrMo44 yog German-tus qauv qis- alloy kub- cov hlau tsis muaj zog (raws li European tus qauv qib 1.7335). Nws belongs rau qeb ntawm chromium-molybdenum alloy structural steels thiab yog dav siv nyob rau hauv kev tsim khoom ntawm high - kub thiab siab - cov cuab yeej muaj zog.
Dab tsi yog 13CrMo44 sib npaug?
Qib 13 Cr Mo 44 yog sib npaug rau14 Cr Mo 45 (EN 10028-2), 15 CD 4.05 (NFA 36–205) thiab ASTM 302 Gr. A, B hlau.
Tshuaj muaj pes tsawg leeg ntawm Qib 13CrMo44 alloy steel raj
Carbon (C): 0.08% -0.18%, ntsuas lub zog thiab weldability.
Chromium (Cr): 0.70% -1.15%, txhim kho siab -kub oxidation kuj.
Molybdenum (Mo): 0.40% - 0.60%, txhim kho creep kuj.
Manganese (Mn): 0.40% -1.00%, txhim kho kev ua haujlwm kub.
Sulfur (S) thiab Phosphorus (P): Tsawg dua lossis sib npaug ntawm 0.010% - 0.030% thiab Tsawg dua lossis sib npaug rau 0.025%, feem, nrog kev tswj nruj ntawm impurities.
Mechanical Properties ntawm13 CrMo44cev steel
Tensile zog: 440-630 MPa.
Yield zog: Ntau dua los yog sib npaug rau 290 MPa.
Elongation: 7% -25%.
Impact toughness: Impact absorbed zog ntawm 27-31 J ntawm 0-20 degree.
Kev kho cua sov thiab kev xa khoom
Normalizing kub: 890-950 degree.
Tempering kub: 520-620℃(rau kev ntxhov siab).
Tus me nyuam mob: Feem ntau nyob rau hauv lub normalized mob; quenched thiab tempered kev kho mob kuj tuaj yeem kho raws li qhov xav tau.
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